chore: fix lint

Author: alex-funmula

dive_mcp_host/httpd/routers/utils.py

@@ -188,6 +188,7 @@ def __init__(
         model: BaseChatModel,
         str_output_parser: StrOutputParser,
     ) -> None:
+        """Initialize."""
         self._model = model
         self._str_output_parser = str_output_parser